Chih-Jen Chi

Title: Innovations of Chih-Jen Chi in Fiber Laser Technology

Introduction

Chih-Jen Chi is a notable inventor based in Thousand Oaks, CA (US). He has made significant contributions to the field of laser technology, particularly with his innovative work on fiber lasers. His expertise and creativity have led to the development of advanced laser systems that enhance performance and efficiency.

Latest Patents

Chih-Jen Chi holds a patent for an "Erbium-doped phosphate-glass tunable single-mode fiber laser using a tunable Fabry-Perot filter." This invention features a short laser cavity, which can be up to 30 cm in length, and includes a free-space tunable MEMS Fabry-Perot filter, a collimating lens, and a section of erbium-doped phosphate gain fiber ranging from 2 to 25 cm. The design allows for optical pumping to excite erbium ions, providing gain and establishing a longitudinal mode structure that spans the C-band. The system is designed to ensure that laser emission is limited to a single longitudinal mode, enhancing the precision of the output.

Career Highlights

Chih-Jen Chi is currently associated with Np Photonics, Inc., where he continues to push the boundaries of laser technology. His work has been instrumental in developing systems that are not only efficient but also versatile in their applications. His innovative approach has garnered attention in the field, making him a respected figure among his peers.

Collaborations

Chih-Jen Chi has collaborated with talented individuals such as Christine Spiegelberg and Jihong Geng. These collaborations have fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Chih-Jen Chi's contributions to fiber laser technology exemplify the spirit of innovation. His patent on the tunable single-mode fiber laser showcases his ability to merge theoretical knowledge with practical applications. His work continues to influence the field and inspire future advancements in laser technology.